SIOUX FALLS, S.D. (KELO) -- The Sioux Falls holiday dropoff sites close Sunday for the season. The city of Sioux Falls provides two drop-off spots for real trees and wreaths every year. These recycling sites ensure that organic materials do not go to waste. KELOLAND Photographer featured on CBS Sunday Morning If you have a tree or wreath to drop off, hours of operation are from noon to 5 p.m. Sunday. The sites are located at 1015 East Chambers Street, just off North Cliff Avenue and North Lyon Boulevard. For more information, click here.